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公开(公告)号:US5260388A
公开(公告)日:1993-11-09
申请号:US894940
申请日:1992-06-08
申请人: Shoji Tamai , Wataru Yamashita , Yuichi Okawa , Yuko Ishihara , Keizaburo Yamaguchi , Akihiro Yamaguchi
发明人: Shoji Tamai , Wataru Yamashita , Yuichi Okawa , Yuko Ishihara , Keizaburo Yamaguchi , Akihiro Yamaguchi
IPC分类号: C07C225/22 , C08G73/10 , C08G73/14 , C08G8/02 , C08G69/26
CPC分类号: C07C225/22 , C08G73/1014 , C08G73/1017 , C08G73/1039 , C08G73/1067 , C08G73/14
摘要: A heat-resistant and thermoplastic polyimide which has low dielectric characteristics and recurring structural units of the following formula ##STR1## wherein R is a tetravalent radical having from 2 to 27 carbon atoms and selected from the group consisting of an aliphatic radical, alicyclic radical, monoaromatic radical, condensed polyaromatic radical and noncondensed aromatic radical connected each other with a direct bond or a bridge member; aromatic diamines which are useful for the raw material monomers of the polyimide and have following formulas: ##STR2## and ##STR3## and a process for preparing the polyimide of the above formula by reacting these aromatic diamines with a tetracarboxylic dianhydride in the presence of an aromatic dicarboxylic anhydride or aromatic monoamine, and successively thermally or chemically imidizing the resultant polyamic acid.
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公开(公告)号:US5892061A
公开(公告)日:1999-04-06
申请号:US975506
申请日:1997-11-21
申请人: Kan Ikeda , Wataru Yamashita , Shoji Tamai
发明人: Kan Ikeda , Wataru Yamashita , Shoji Tamai
IPC分类号: C07D307/66 , C07C257/04 , C07D307/34 , C07D307/90 , C08G73/10 , C07D307/88 , C08G69/26
CPC分类号: C07D307/34 , C07D307/90 , C08G73/1089
摘要: A preparation process of isoimide comprising reacting a compound having one or more carboxyl group and one or more amide bond in the same molecule in the presence of a haloiminium salt and basic substance, and a preparation process of isoimide comprising reacting a compound having one or more carboxyl group with a compound having one or more amide bond in the presence of a haloiminium salt and basic substance are disclosed.
摘要翻译: 包括使异氰化物的制备方法包括在卤代亚铵盐和碱性物质的存在下使具有一个或多个羧基的化合物和一个或多个酰胺键与同一分子中的一个或多个酰胺键反应,以及异酰胺的制备方法,包括使具有一个或多个 公开了在卤代鎓盐和碱性物质存在下具有一个或多个酰胺键的化合物的羧基。
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公开(公告)号:US5719256A
公开(公告)日:1998-02-17
申请号:US730362
申请日:1996-10-15
申请人: Shoji Tamai , Yukiko Mori , Kenichi Goto , Katsuji Watanabe , Osamu Kohgo , Kotaro Shimizu , Toshiyuki Kataoka , Takashi Kuroki , Wataru Yamashita , Hideki Mizuta , Teruyuki Nagata
发明人: Shoji Tamai , Yukiko Mori , Kenichi Goto , Katsuji Watanabe , Osamu Kohgo , Kotaro Shimizu , Toshiyuki Kataoka , Takashi Kuroki , Wataru Yamashita , Hideki Mizuta , Teruyuki Nagata
CPC分类号: C08G73/1007 , C08G63/823 , C08G63/87 , C08G69/04 , C08G69/28 , C08G75/26
摘要: The invention provides a novel preparation process of a polycondensation type polymer, an excellent polymer which is represented by lactic acid and the preparation process of the polymer, a polycondensation agent used for the preparation process, and an intermediate. Specifically, the invention provides a preparation process of the polycondensation type polymer, for example, polyamide, polyimide, polythioester and polyester, comprising bonding a carboxyl group comprising compound with an active hydrogen group comprising compound in the presence of haloiminium salt. The invention provides excellent polylactic acid having a controlled D/L-isomer ratio in the repeating structural units and preparation process of polylactic acid, and further provides a haloiminium salt compound used for the preparation process and an intermediate compound of acid chloride.
摘要翻译: 本发明提供了一种缩聚型聚合物的新型制备方法,由乳酸代表的优异聚合物和聚合物的制备方法,用于制备方法的缩聚剂和中间体。 具体地说,本发明提供缩聚型聚合物,例如聚酰胺,聚酰亚胺,聚硫酯和聚酯的制备方法,包括在卤代鎓盐存在下将包含羧基的化合物与含活性氢基团的化合物结合。 本发明提供了在重复结构单元和聚乳酸的制备方法中具有受控的D / L异构体比例的优异的聚乳酸,并且还提供了用于制备方法的卤代亚铵盐化合物和酰氯的中间体化合物。
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公开(公告)号:US5916488A
公开(公告)日:1999-06-29
申请号:US66808
申请日:1998-04-28
CPC分类号: G02B5/223 , C08G73/1039 , C08K5/0041 , C09D11/102 , G02B5/201
摘要: A printing ink for an optical filter, comprising a polyimide resin containing at least one perfluoroalkyl group in each recurring structural unit, at least one dyestuff soluble in the resin, the dyestuff having absorption in the visible range and/or the near infrared range and a solvent.
摘要翻译: 一种用于滤光器的印刷油墨,包括在每个重复结构单元中含有至少一个全氟烷基的聚酰亚胺树脂,至少一种可溶于树脂的染料,所述染料在可见光范围和/或近红外范围内具有吸收, 溶剂。
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公开(公告)号:US5868968A
公开(公告)日:1999-02-09
申请号:US965195
申请日:1997-11-06
CPC分类号: G02B5/223 , C08G73/1039 , C08K5/0041 , C09D11/102 , G02B5/201
摘要: A polyimide resin composition for an optical filter which includes a colorless transparent polyimide resin containing at least one perfluoroalkyl group in each recurring structural unit and having excellent solvent solubility, and at least one dyestuff soluble in said resin. The dyestuff has absorption in the visible range and/or the near infrared range. A printing ink for an optical filter is composed of the polyimide resin composition and a solvent while an optical filter formed from a transparent base material and the polyimide resin composition can also be provided.
摘要翻译: 一种滤光器用聚酰亚胺树脂组合物,其包含在每个重复结构单元中含有至少一个全氟烷基并且溶剂溶解性优异的无色透明聚酰亚胺树脂和至少一种可溶于所述树脂的染料。 染料在可见光范围和/或近红外范围内具有吸收。 用于滤光器的印刷油墨由聚酰亚胺树脂组合物和溶剂构成,同时也可以提供由透明基材形成的滤光器和聚酰亚胺树脂组合物。
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公开(公告)号:US5354839A
公开(公告)日:1994-10-11
申请号:US40608
申请日:1993-03-31
申请人: Wataru Yamashita , Yoshihiro Sakata , Toshiyuki Kataoka , Yuichi Okawa , Hideaki Oikawa , Tadashi Asanuma , Mitsunori Matsuo , Tsutomu Ishida , Keizaburo Yamaguchi , Akihiro Yamaguchi
发明人: Wataru Yamashita , Yoshihiro Sakata , Toshiyuki Kataoka , Yuichi Okawa , Hideaki Oikawa , Tadashi Asanuma , Mitsunori Matsuo , Tsutomu Ishida , Keizaburo Yamaguchi , Akihiro Yamaguchi
IPC分类号: C07C217/90 , C08G73/10 , H05K1/00 , H05K1/03 , C08G69/26
CPC分类号: C08G73/105 , C07C217/90 , C08G73/10 , C08G73/1014 , C08G73/1017 , H05K1/0346 , H05K3/4676
摘要: A polyimide comprising a requisite structural unit having one or more recurring structural units of the formula: ##STR1## such as the structural units of the formula ##STR2## The polyimide can have an extremely low dielectric constant and is colorless, transparent and excellent in processability and heat resistance, and also provides an aromatic diamine which is useful as a raw material monomer of the polyimide or a raw material of other various engineering plastics.
摘要翻译: 一种聚酰亚胺,其包含具有一个或多个下式的重复结构单元的必需结构单元:例如下式的结构单元:该聚酰亚胺可以具有极低的介电常数,为无色透明且加工性优异 和耐热性,并且还提供可用作聚酰亚胺的原料单体或其它各种工程塑料的原料的芳族二胺。
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公开(公告)号:US20120301718A1
公开(公告)日:2012-11-29
申请号:US13575745
申请日:2011-01-27
IPC分类号: B32B1/00 , B32B15/088 , H01B3/30 , B32B15/08 , B32B5/16 , B32B15/085 , B32B15/095
CPC分类号: B32B15/08 , B32B27/18 , B32B27/285 , B32B27/34 , B32B2264/0257 , B32B2371/00 , B32B2379/08 , C08G73/10 , C08G73/14 , C08J5/18 , C08J2379/08 , C08J2423/06 , C08L23/02 , C08L71/12 , C08L79/08 , H05K1/0237 , H05K1/0373 , H05K3/022 , H05K2201/0212 , Y10T428/2942 , Y10T428/31605 , Y10T428/31681 , Y10T428/31692 , Y10T428/31696
摘要: Provided is a metal-resin composite provided with a layer consisting of a heat-resistant resin composition having a low permittivity or a low dielectric loss tangent. The composite can exhibit a low thermal expansion coefficient and a reduced transmission loss of an electric signal. The composite comprises a metal and a resin layer (I). The resin layer (I) is made from a resin composition prepared by blending (A) a heat-resistant resin that exhibits a relative permittivity of 2.3 or more at a frequency of 1 MHz with (B) polyolefin particles having a mean particle diameter of 100 [mu]m or less. The resin composition has both a continuous phase of the heat-resistant resin (A) and a dispersed phase of the polyolefin particles (B), with the relative permittivity of the resin composition being lower than that of the heat-resistant resin (A).
摘要翻译: 提供一种金属 - 树脂复合材料,其具有由具有低介电常数或低介电损耗角正切的耐热树脂组合物构成的层。 复合材料可以表现出低的热膨胀系数和降低的电信号的传输损耗。 复合材料包括金属和树脂层(I)。 树脂层(I)由树脂组合物制成,该树脂组合物通过将(A)在1MHz的频率下显示出相对介电常数为2.3以上的耐热性树脂(A)与(B)平均粒径为 100微米或更小。 树脂组合物具有耐热性树脂(A)的连续相和聚烯烃粒子(B)的分散相,树脂组合物的相对介电常数低于耐热性树脂(A)的相对介电常数, 。
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18.
公开(公告)号:US20090208868A1
公开(公告)日:2009-08-20
申请号:US11988557
申请日:2006-07-11
CPC分类号: C08L79/08 , C08G73/10 , C08G73/1032 , C08G73/1075 , C08G73/1082 , C08K5/06 , G03F7/0233 , G03F7/0392 , H05K3/287 , Y10S430/107
摘要: A positive photosensitive resin composition containing 100 parts by weight of a polyimide precursor (A) having a constituent unit represented by the formula (1), 15 to 25 parts by weight of a crosslinking agent (B) represented by the formula (2), and 2 to 5 parts by weight of a photosensitizer (C) generating acid upon irradiation of an actinic ray: wherein m is an integer of 1 or greater, and R is an aromatic group or an aliphatic group having a valency of 1 or higher. The positive photosensitive resin composition can be developed by using an aqueous solution of alkali metal carbonate, is capable of forming micropatterns, and has excellent thermal resistance and the like. A method for forming a positive pattern, and uses thereof are also provided.
摘要翻译: 含有100重量份具有由式(1)表示的结构单元的聚酰亚胺前体(A),15-25重量份由式(2)表示的交联剂(B)的正性感光性树脂组合物, 和2〜5重量份的光敏剂(C),其在光化射线照射时产生酸:其中m为1以上的整数,R为芳族基或1价以上的脂肪族基。 正型感光性树脂组合物可以通过使用碱金属碳酸盐的水溶液显影,能够形成微图案,并且具有优异的耐热性等。 还提供了形成正图案的方法及其用途。
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公开(公告)号:US06734276B2
公开(公告)日:2004-05-11
申请号:US10110302
申请日:2002-04-11
IPC分类号: C08G7310
CPC分类号: C08G73/1042 , C08G73/10 , C08G73/1067 , C08G73/1071 , C08G73/1082 , H05K1/0346 , Y10S428/901 , Y10T428/31504 , Y10T428/31678 , Y10T428/31681 , Y10T428/31721
摘要: The invention is a polyimide, random copolymer having repeating units of the formula (1): wherein R1 and R2 each represent a divalent group selected from and R1 and R2 may be the same or different; and x=0.60 to 0.80, y+z=0.40 to 0.20, and x+y+z=1.00, and a linear expansion coefficient at 100 to 200° C. is in the range of from 10 to 20 ppm/K. This is a useful polyimide that can be a polyimide circuit substrate material capable of keeping flat, neither shrinking nor expanding in its laminate.
摘要翻译: 本发明是具有式(1)的重复单元的聚酰亚胺无规共聚物:其中R1和R2各自表示选自二价基团,R 1和R 2可以相同或不同; x = 0.60〜0.80,y + z = 0.40〜0.20,x + y + z = 1.00,100〜200℃的线膨胀系数在10〜20ppm / K的范围内。 这是一种有用的聚酰亚胺,其可以是能够保持扁平的聚酰亚胺电路基板材料,既不收缩也不在其层压板中膨胀。
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20.
公开(公告)号:US6080833A
公开(公告)日:2000-06-27
申请号:US896008
申请日:1997-07-17
申请人: Atsuo Otsuji , Keisuke Takuma , Rihoko Suzuki , Tatsuhiro Urakami , Toshihiro Motoshima , Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta , Masanobu Ajioka , Masatoshi Takagi , Akio Karasawa
发明人: Atsuo Otsuji , Keisuke Takuma , Rihoko Suzuki , Tatsuhiro Urakami , Toshihiro Motoshima , Wataru Yamashita , Tomomi Yoshimura , Atsushi Shibuya , Yoshihiro Sakata , Hideaki Oikawa , Masahiro Ohta , Masanobu Ajioka , Masatoshi Takagi , Akio Karasawa
IPC分类号: C08G83/00 , C08F222/10 , C08G18/32 , C08G59/17 , C08G59/24 , C08G63/193 , C08G63/672 , C08G64/06 , C08G73/10 , G11B7/243 , G11B7/253 , G11B7/2533 , G11B7/2534 , G11B7/2535 , G11B7/2536 , G11B7/257 , G11B7/2578 , G11B7/258 , G11B7/2585 , C08G64/00
CPC分类号: G11B7/2535 , C08F222/1006 , C08G18/3215 , C08G59/1466 , C08G59/245 , C08G63/193 , C08G63/672 , C08G64/06 , C08G73/105 , G11B7/2533 , G11B7/2534 , G11B2007/24304 , G11B7/2536 , G11B7/2578 , G11B7/2585
摘要: A low-birefringent organic optical component comprising a polymer prepared by polymerizing a racemic mixture of the monomer with an asymmetric spiro ring represented by general formula (1) as an essential ingredient; wherein ring A represents a monocyclic or polycyclic organic group, wherein two ring As are mutually bound each other via a spiro bond to form a spiro ring which has a molecular asymmetric structure; n is an integer of 0 to 10; X.sub.1 and Y.sub.1 are binding groups; and Z.sub.1 is a polymerization-active group. The component has excellent transparency, mechanical strength and heat resistance, as well as a low birefringence.
摘要翻译: 一种低双折射有机光学元件,包括通过将单体的外消旋混合物与通式(1)表示的不对称螺环作为必要成分聚合而制备的聚合物; 其中环A表示单环或多环有机基团,其中两个环彼此通过螺键彼此相互结合以形成具有分子不对称结构的螺环; n为0〜10的整数。 X1和Y1是结合基团; Z1是聚合活性基团。 该组分具有优异的透明性,机械强度和耐热性,以及低双折射。
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